Home / 12,395.04-18,591.74-3,629.22

Finding the Fourth Proportional to 12,395.04, 18,591.74 and 3,629.22

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Solution

The fourth proportional to 12,395.04, 18,591.74 and 3,629.22 is: 5,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.04 : 18,591.74 = 3,629.22 : x
  2. Step 2: Convert to fraction form
    12,395.04/18,591.74 = 3,629.22/x
  3. Step 3: Cross multiply
    12,395.04x = 18,591.74 × 3,629.22
  4. Step 4: Simplify right side
    12,395.04x = 67,473,514.64
  5. Step 5: Solve for x
    x = 67,473,514.64/12,395.04
  6. Step 6: Final answer
    x = 5,443.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.